package demo1;
    public class Bird extends Animal{
        public Bird(String name, int age) {
            super(name, age);
        }

        @Override
        public void eat() {
            System.out.println(this.name +" 正在吃鸟粮...");
        }
        public void fly() {
            System.out.println(this.name +" 正在飞.....");
        }
    }

